**Boolify.org**
Boolify makes it easier to for students to understand their web search by illustrating the logic of their search, and by showing them how each change to their search instantly changes their results.
Clusty.com
Clusty is a whole new way to search the web. Clusty queries several top search engines, combines the results, and generates an ordered list based on comparative ranking. This "metasearch" approach helps raise the best results to the top and push search engine spam to the bottom. But what really makes Clusty unique is what happens after you search. Instead of delivering millions of search results in one long list, our search engine groups similar results together into clusters. Clusters help you see your search results by topic so you can zero in on exactly what you’re looking for or discover unexpected relationships between items.
Refseek.com
RefSeek is a web search engine for students and researchers. RefSeek aims to make academic information easily accessible to everyone. RefSeek searches more than one billion documents, including web pages, books, encyclopedias, journals, and newspapers.
Spific.com With Spific you can search the entire internet directly from our homepage or select a specific category. Each search focuses on a specific topic and will guide you to the highest quality results by allowing you to refine your results by date, site, and category.
Here is a list and links to other, less common, but very interesting search engines.
**MelZoo.com**
**Boolify.org**
Boolify makes it easier to for students to understand their web search by illustrating the logic of their search, and by showing them how each change to their search instantly changes their results.
Clusty.com
Clusty is a whole new way to search the web. Clusty queries several top search engines, combines the results, and generates an ordered list based on comparative ranking. This "metasearch" approach helps raise the best results to the top and push search engine spam to the bottom. But what really makes Clusty unique is what happens after you search. Instead of delivering millions of search results in one long list, our search engine groups similar results together into clusters. Clusters help you see your search results by topic so you can zero in on exactly what you’re looking for or discover unexpected relationships between items.
Refseek.com
RefSeek is a web search engine for students and researchers. RefSeek aims to make academic information easily accessible to everyone. RefSeek searches more than one billion documents, including web pages, books, encyclopedias, journals, and newspapers.
Spific.com
With Spific you can search the entire internet directly from our homepage or select a specific category. Each search focuses on a specific topic and will guide you to the highest quality results by allowing you to refine your results by date, site, and category.
Wolphram Alpha